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TPS74701QDRCRQ1 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS74701QDRCRQ1 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 24 page Thermal Limit Soft-Start Discharge OUT V OUT FB PG IN BIAS SS EN Hysteresis andDeglitch Current Limit UVLO 0.44 A m 0.8V Reference 0.9 ´ V REF GND C SS R 1 R 2 TPS74701-Q1 SBVS141A – APRIL 2010 – REVISED SEPTEMBER 2010 www.ti.com FUNCTIONAL BLOCK DIAGRAM Table 1. Standard 1% Resistor Values for Programming the Output Voltage(1) R1 (kΩ) R2 (kΩ) VOUT (V) Short Open 0.8 0.619 4.99 0.9 1.13 4.53 1.0 1.37 4.42 1.05 1.87 4.99 1.1 2.49 4.99 1.2 4.12 4.75 1.5 3.57 2.87 1.8 3.57 1.69 2.5 3.57 1.15 3.3 (1) VOUT = 0.8 × (1 + R1/R2). Table 2. Standard Capacitor Values for Programming the Soft-Start Time(1) CSS SOFT-START TIME Open 0.1ms 270pF 0.5ms 560pF 1ms 2.7nF 5ms 5.6nF 10ms 0.01mF 18ms (1) tSS(s) = 0.8 × CSS(F)/4.4 × 10 –7. 4 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): TPS74701-Q1 |
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